Home / 26,990.89-37,248.17-15,056.55

Finding the Fourth Proportional to 26,990.89, 37,248.17 and 15,056.55

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Solution

The fourth proportional to 26,990.89, 37,248.17 and 15,056.55 is: 20,778.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,990.89 : 37,248.17 = 15,056.55 : x
  2. Step 2: Convert to fraction form
    26,990.89/37,248.17 = 15,056.55/x
  3. Step 3: Cross multiply
    26,990.89x = 37,248.17 × 15,056.55
  4. Step 4: Simplify right side
    26,990.89x = 560,828,998.41
  5. Step 5: Solve for x
    x = 560,828,998.41/26,990.89
  6. Step 6: Final answer
    x = 20,778.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.